"""Много памяти занимает. Скорее всего, можно просто диагональные значения налету создавать проверять"""

def find_pattern(matrix: list, left: float, right: float, diff: float) -> bool:
    for i in range(len(matrix)):
        for j in range(len(matrix[0])):
            number_in_sequense = left*(1-diff) >= matrix[i][j] >= right*(1-diff)
        if number_in_sequense:
            break
    return number_in_sequense

stream = [-3, 0, 2, 11, 9, -1, -6, -10, -4, -5, 2]
pattern = [10, 50, 40, -5, -30]
matrix = [[stream_v/pattern_v for stream_v in stream] for pattern_v in pattern]
print(find_pattern(matrix,4,0.2,0.15))